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5.1.134 varstr
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Syntax:
varstr ( ring_name )
varstr ( int_expression )
varstr ( ring_name, int_expression )
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Type:
string
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Purpose:
returns the list of the names of the ring variables as a string
or the name of the n-th ring variable, where n is given by the
int_expression.
If the ring name is omitted, the basering is used, thus
varstr(n) is equivalent to varstr(basering,n) .
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Example:
| ring r=0,(x,y,z),dp;
varstr(r);
→ x,y,z
varstr(r,1);
→ x
varstr(2);
→ y
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See
charstr;
int;
nvars;
ordstr;
parstr;
ring;
var.
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